20 (水)	02:41	08:43	14:20	21:18
	143cm	96cm	132cm	63cm
小潮 出 05:46 入 18:59 出 01:24 入 11:09

島山（長崎）2044年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	116.7	↑3.0	最大潮位差
4/20 00:10	119.6	↑2.9
4/20 00:20	122.4	↑2.8
4/20 00:30	125.1	↑2.7
4/20 00:40	127.6	↑2.5
4/20 00:50	129.9	↑2.3
4/20 01:00	132.1	↑2.2
4/20 01:10	134.1	↑2.0
4/20 01:20	135.9	↑1.8
4/20 01:30	137.5	↑1.6
4/20 01:40	138.8	↑1.3
4/20 01:50	140.0	↑1.2
4/20 02:00	141.0	↑1.0
4/20 02:10	141.7	↑0.7
4/20 02:20	142.2	↑0.5
4/20 02:30	142.6	↑0.4
4/20 02:40	142.7	↑0.1	満潮
4/20 02:50	142.6	↓-0.1
4/20 03:00	142.3	↓-0.3
4/20 03:10	141.8	↓-0.5
4/20 03:20	141.1	↓-0.7
4/20 03:30	140.2	↓-0.9
4/20 03:40	139.2	↓-1.0
4/20 03:50	138.0	↓-1.2
4/20 04:00	136.6	↓-1.4
4/20 04:10	135.2	↓-1.4
4/20 04:20	133.6	↓-1.6
4/20 04:30	131.9	↓-1.7
4/20 04:40	130.1	↓-1.8
4/20 04:50	128.2	↓-1.9
4/20 05:00	126.2	↓-2.0
4/20 05:10	124.2	↓-2.0
4/20 05:20	122.2	↓-2.0
4/20 05:30	120.2	↓-2.0
4/20 05:40	118.1	↓-2.1
4/20 05:50	116.1	↓-2.0
4/20 06:00	114.1	↓-2.0
4/20 06:10	112.1	↓-2.0
4/20 06:20	110.2	↓-1.9
4/20 06:30	108.4	↓-1.8
4/20 06:40	106.6	↓-1.8
4/20 06:50	105.0	↓-1.6
4/20 07:00	103.4	↓-1.6
4/20 07:10	102.0	↓-1.4
4/20 07:20	100.6	↓-1.4
4/20 07:30	99.5	↓-1.1
4/20 07:40	98.4	↓-1.1
4/20 07:50	97.5	↓-0.9
4/20 08:00	96.8	↓-0.7
4/20 08:10	96.2	↓-0.6
4/20 08:20	95.7	↓-0.5
4/20 08:30	95.4	↓-0.3
4/20 08:40	95.3	↓-0.1	干潮
4/20 08:50	95.4	↑0.1
4/20 09:00	95.6	↑0.2
4/20 09:10	95.9	↑0.3
4/20 09:20	96.4	↑0.5
4/20 09:30	97.1	↑0.7
4/20 09:40	97.9	↑0.8
4/20 09:50	98.8	↑0.9
4/20 10:00	99.8	↑1.0
4/20 10:10	101.0	↑1.2
4/20 10:20	102.2	↑1.2
4/20 10:30	103.6	↑1.4
4/20 10:40	105.0	↑1.4
4/20 10:50	106.5	↑1.5
4/20 11:00	108.1	↑1.6
4/20 11:10	109.7	↑1.6
4/20 11:20	111.3	↑1.6
4/20 11:30	113.0	↑1.7
4/20 11:40	114.6	↑1.6
4/20 11:50	116.3	↑1.7
4/20 12:00	117.9	↑1.6
4/20 12:10	119.5	↑1.6
4/20 12:20	121.0	↑1.5
4/20 12:30	122.5	↑1.5
4/20 12:40	123.9	↑1.4
4/20 12:50	125.2	↑1.3
4/20 13:00	126.4	↑1.2
4/20 13:10	127.5	↑1.1
4/20 13:20	128.5	↑1.0
4/20 13:30	129.3	↑0.8
4/20 13:40	130.0	↑0.7
4/20 13:50	130.5	↑0.5
4/20 14:00	130.9	↑0.4
4/20 14:10	131.2	↑0.3	満潮
4/20 14:20	131.2	0	満潮
4/20 14:30	131.1	↓-0.1
4/20 14:40	130.9	↓-0.2
4/20 14:50	130.4	↓-0.5
4/20 15:00	129.8	↓-0.6
4/20 15:10	129.0	↓-0.8
4/20 15:20	128.0	↓-1.0
4/20 15:30	126.9	↓-1.1
4/20 15:40	125.6	↓-1.3
4/20 15:50	124.1	↓-1.5
4/20 16:00	122.5	↓-1.6
4/20 16:10	120.8	↓-1.7
4/20 16:20	118.9	↓-1.9
4/20 16:30	116.8	↓-2.1
4/20 16:40	114.7	↓-2.1
4/20 16:50	112.5	↓-2.2
4/20 17:00	110.1	↓-2.4
4/20 17:10	107.7	↓-2.4
4/20 17:20	105.2	↓-2.5
4/20 17:30	102.7	↓-2.5
4/20 17:40	100.1	↓-2.6
4/20 17:50	97.5	↓-2.6
4/20 18:00	94.9	↓-2.6
4/20 18:10	92.3	↓-2.6
4/20 18:20	89.7	↓-2.6
4/20 18:30	87.2	↓-2.5
4/20 18:40	84.7	↓-2.5
4/20 18:50	82.2	↓-2.5
4/20 19:00	79.9	↓-2.3
4/20 19:10	77.6	↓-2.3
4/20 19:20	75.5	↓-2.1
4/20 19:30	73.5	↓-2.0
4/20 19:40	71.6	↓-1.9
4/20 19:50	69.8	↓-1.8
4/20 20:00	68.2	↓-1.6
4/20 20:10	66.8	↓-1.4
4/20 20:20	65.6	↓-1.2
4/20 20:30	64.5	↓-1.1
4/20 20:40	63.6	↓-0.9
4/20 20:50	63.0	↓-0.6
4/20 21:00	62.5	↓-0.5
4/20 21:10	62.2	↓-0.3	干潮
4/20 21:20	62.2	0
4/20 21:30	62.4	↑0.2
4/20 21:40	62.8	↑0.4
4/20 21:50	63.4	↑0.6
4/20 22:00	64.2	↑0.8
4/20 22:10	65.2	↑1.0
4/20 22:20	66.4	↑1.2
4/20 22:30	67.8	↑1.4
4/20 22:40	69.4	↑1.6
4/20 22:50	71.2	↑1.8
4/20 23:00	73.2	↑2.0
4/20 23:10	75.3	↑2.1
4/20 23:20	77.6	↑2.3
4/20 23:30	80.0	↑2.4
4/20 23:40	82.6	↑2.6
4/20 23:50	85.2	↑2.6